Ralph Fernan is a storyboard artist and director for American Dad! with the following episode credits:
- Bar Mitzvah Hustle (2009) - storyboard artist
- Weiner of Our Discontent (2009) - storyboard artist
- In Country...Club (2009) - storyboard artist
- Moon Over Isla Island (2009) - storyboard artist
- Don't Look a Smith Horse in the Mouth (2010) - storyboard artist
- Cops and Roger (2010) - storyboard artist
- Son of Stan (2010) - storyboard artist
- The People vs. Martin Sugar (2010) - storyboard artist
- Stanny-Boy and Frantastic (2011) - storyboard artist
- You Debt Your Life (2011) - storyboard artist
- Gorillas in the Mist (2011) - assistant director
- Hot Water (2011) - assistant director
- Less Money, Mo' Problems (2012) - assistant director
- National Treasure 4: Baby Franny: She's Doing Well: The Hole Story (2012) - assistant director
- Naked to the Limit, One More Time (2013) - assistant director
- Lost in Space (2013) - assistant director
- Stan Goes On the Pill (2014) - assistant director
- She Swill Survive (2014) - assistant director
- Blagsnarst: A Love Story (2014) - assistant director
- Now and Gwen (2014) - assistant director
- American Fung (2015) - assistant director
- Kiss Kiss, Cam Cam (2016) - assistant director
- Daesong Heavy Industries (2016) - assistant director
- Father's Daze (2016) - assistant director
- Whole Slotta Love (2017) - assistant director
- Family Plan (2017) - assistant director
- Shell Game (2018) - assistant director
- My Purity Ball and Chain (2018) - assistant director
- Top of the Steve (2019) - assistant director
- Jeff and the Dank Ass Weed Factory (2019) - assistant director
- Mom Sauce (2019) - assistant director
- Downtown (2020) - assistant director
- First, Do No Farm (2020) - assistant director
- Yule. Tide. Repeat. (2020) - assistant director
- Russian Doll (2021) - assistant director
- The Sinister Fate!! (2021) - assistant director
- Steve's Franken Out (2021) - assistant director
- A Roger Story (2022) - assistant director
- A League of His Own (2022) - assistant director
- Jambalaya (2022) - assistant director
- Stan Fixes a Shingle (2023) - assistant director
- Don't You Be My Neighbor (2023) - assistant director
- A Little Extra Scratch (2023) - assistant director